{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell type", "RNA", "cell line", "protein"], "input": "Both c-fos and jun B mRNAs decreased to pre-activation levels within 6 h, while c-jun mRNA remained elevated."}
{"DNA": [], "cell type": [], "RNA": ["c-fos and jun B mRNAs", "c-fos", "jun B mRNAs", "c-jun mRNA"], "cell line": [], "protein": []}